Chassis Nieuws For 2012 the selected organisations are: · NK-KNAF Dutch Swissauto250-Cup - category VT250 senior. · GK4 Kart Series (only for Swissauto drivers) - category VT250 senior. · DMV German Swissauto250-Cup (RMKC and BWKC) - category VT250 senior. We are sure this action will help the organisers to bring the 4-stroke market to a higher level of competition.